| Zip Code : | 78681 |
| City : | Austin city, Brushy Creek, Cedar Park city, Round Rock city |
| County : | Williamson County |
| State : | Texas (TX) |
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| Land Area : | 21.73 sq mi |
| Water Area : | 0.15 sq mi |
| Latitude : | 30.5343554 |
| Longitude : | -97.7256180 |
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| Population (2010): | 50,606 |
| Population Estimate (2012) : | 53,229 |
| Population Density : | 2,329.20/sq mi |
| Housing Units (2012) : | 17,971 |
| Median Household Income (2012) : | $92,981 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $101,337 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $213,000 (Texas : $128,000, USA : $181,400) |